The amount of the amino acid glycine that is found in Stan’s apparatus is more than that of murchison meteorite.
What is amino acid?It should be noted that amino acid simply means organic compounds that contain both amino and carboxylate.
In this case, the amount of the amino acid glycine that is found in stan’s apparatus is more than that of murchison meteorite. This was depicted by the fraction of the three amino acids in the scenario.
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The actual amount of the amino acid glycine found in Stan’s apparatus is more than the amount of glycine in the Murchison meteorite.
What is amino acid?
Amino acids are the building blocks of proteins. The building blocks of life are amino acids and proteins.
Amino acids remain after proteins are digested or broken down. Amino acids are used by the human body to build proteins that aid the body to Break food down.It should be noted that amino acid simply means organic compounds that contain both amino and carboxylate.In this example, the amount of glycine detected in Stan's equipment is more than that found in the Murchison meteorite. The fraction of the three amino acids in the scenario represented this.
Hence amount of amino acid is more in Stan's apparatus as compared to the Murchison meteorite.
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One of the advantages of nylon over rayon is that nylon:
A. Is wrinkle free.
B. Has low elasticity
C. Is a natural fibre
D. Is a good conductor of electricity
Answer:
I think it is D.
Explanation:
Sry if I am wrong...
Answer:
wrinkle free
Explanation:
Nylon fabric is easy to wash so it's wrinkle free.Nylon is highly elastic and waterproof fabric.So it's highly used by mountaineers .175 ml of a 1.6 m solution of kcl is diluted to a new volume of 1.0 l. what is the new concentration of the solution?
The new concentration of the KCl solution after mixing 1 L new volume is 0.28 M.
How do we calculate the concentration?Concentration in terms of molarity will be calculated by using the below equation as:
M₁V₁ = M₂V₂, where
M₁ = molarity of old KCl solution = 1.6 M
V₁ = volume of old KCl solution = 175 mL = 0.175 L
M₂ = molarity of new KCl solution = ?
V₂ = volume of new KCl solution = 1 L
On putting all these values on the above equation, we get
M₂ = (1.6)(0.175) / (1) = 0.28 M
Hence resultant concentration is 0.28 M.
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What are two benefits of using tides for energy?Good explanation=Brainliest.
Answer:
Advantages of tidal energyRenewable.
Tidal energy is a renewable source of energy, which means the energy doesn’t deplete as it is used. …
Zero carbon emissions. In addition to being a renewable energy source, tidal power stations do not emit greenhouse gasses during electricity generation. … Predictable. … High power output.
Explanation:
At 101.3kPa and 298 K. What is the total amount of heat released Open one mole of aluminum oxide is formed from its elements
Answer:
The answer is (3) 1676 kJ. The heats of reaction at 101.3 kPa and 298 K for reaction: 4Al(s) +3O2(g)= 2Al2O3(s) is -3351 kJ. So for one mole of aluminum oxide is 3351/2=1676 kJ.
At what number carbon does the phosphate group connect to the sugar?.
The phosphate group attached to the 5' carbon of the sugar on one nucleotide forms an ester bond with the free hydroxyl on the 3' carbon of the next nucleotide.
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Give the ratio in which hydrogen and oxygen are present in water by volume.
(a) 1:2
(b) 1:1
(c) 2:1
(d) 1:8
Answer:
Explanation:
The volume of Hydrogen and Oxygen molecules are not the same but assuming that they are, the ratio in water which is H2O would be
(c) 2:1
Which of these is a ball and stick model?
What type of energy is shown in the circled portion of the graph? *
Answer:
Thermal Energy
Explanation:
Energy that is dissipated or absorbed as heat is in the form of thermal energy.
2CuCl2 + 4KI → 2CuI + 4KCl + I2
a. When 0.64 grams of CuCl2 reacts with 0.78 grams of KI, how many grams of I2 are formed?
b. What is the limiting reactant?
PLEASE I NEED HELP
As consumption of a synthetic material increases, the associated negative impacts to Earth required to produce the material increase.
Is this a true or false question? If so, then this would be a true statement. Synthetic materials are made in factories, and the usage of factories increases the risks of harmful gases and chemicals that negatively impacts Earth.
It is generally true that as consumption of a synthetic material increases, the associated negative impacts to Earth needed to produce the material also increase.
Why the given sentence is true?This is because the production of synthetic materials often requires the extraction and processing of non-renewable resources, such as petroleum, which can have a range of negative environmental impacts, including habitat destruction, air and water pollution, and greenhouse gas emissions.
Additionally, the disposal of synthetic materials can also lead to environmental problems, such as the accumulation of non-biodegradable waste in landfills and oceans.
However, it is important to note that not all synthetic materials have the same environmental impacts, and some materials may be more sustainable than others depending on their production methods and intended use. Hence, the given sentence is true.
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Your question is incomplete, most probably the full question is this:
True or false. As consumption of a synthetic material increases, the associated negative impacts to Earth required to produce the material increase.
Low frequency waves have longer wavelength true or false
Answer:
True
Explanation:
Since the waves have low frequency that means the wavelength is going to be longer. Hope this helps
On the moon, there is no air resistance. What forces (F) are acting on the hammer and
feather as they fall? How do you know?
Answer:
Gravitional Force
Explanation:
Every planet has a gravitational pull which attracts all objects; the moon is no exception. It says forces in the question but I know for sure gravitational force is apart of it.
Explain the role of gravity in the waterfall.
Explanation:
A water fall falls and hits the base with force depending on the distance from which it fell.This force is caused by gravity pulling the water molecule as well as some other particles like eroded soil rapidly downwards.
Typical household bleach has a ph of 13. what is the h3o concentration in household bleach? round to the nearest hundredth. × 10n m n =
Typical household bleach has a value of pH of 13, so the concentration of H₃O⁺ in household bleach is 1 × 10⁻¹³ M.
What is pH?pH of any solution is defined as the negative logarithm of the concentration of H⁺ ion presnt in the solution.
pH = -log[H⁺]
From this equation we can calculate the concentration of H⁺ ion by removing logarithm as:
[H⁺] = [tex]10^{-pH}[/tex]
Given value of pH = 13
[H⁺] = 10⁻¹³ M
Hence, required concentration is 1 × 10⁻¹³ M.
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Answer:
1st blank is 1.00
2nd blank is -13
Explanation:
How long does sucrose take to decompose? Why?
I need help!
Answer:
The loss of crystalline structure of sucrose was reported at various temperatures, but decomposition, after >50 h of holding at 120 °C in a sealed pan.
Explanation:
As this condition is above the melting temperature of fructose (a possible first decomposition product), and there were water and impurities.
A chemist uses 0.25 l of 2.00 m h2so4 to completely neutralize a 2.00 l of solution of naoh. the balanced chemical equation of the reaction is given below. 2naoh h2so4 right arrow. na2so4 2h2o what is the concentration of naoh that is used?
The concentration of NaOH that is used to completely neutralize is 0.25 Liters.
How do we calculate concentration?We will calculate the concentration in terms of molarity by using the below formula:
M₁V₁ = M₂V₂, where
M₁ = molarity of H₂SO₄ = 2m
V₁ = volume of H₂SO₄ = 0.25 L
M₂ = molarity of NaOH = ?
V₂ = volume of NaOH = 2 L
On putting all these values on the above equation, we get
M₂ = (2)(0.25) / (2) = 0.25 L
Hence required volume is 0.25 L.
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which element would be most likely to lose electrons in chemical bond
The rusting of iron is represented by the equation 4Fe + 3O2 --> 2Fe2O3. If you have a 3.5-mol sample of iron, how many grams of O2 are needed to rust the iron completely?
34.9 g
84.0 g
16.5 g
48.6 g
Answer:
84.0 g
Balanced equation: 4Fe + 3O2 --> 2Fe2O3
3.5-mol sample of ironFind moles of oxygen:
4Fe : 3O24 : 3(3.5/4)*3 = 2.625 molesFind mass of O2
mass = moles * Mrmass = 2.625 * 32mass = 84 gHow many moles of each atom are there in 5 moles of cu3(po4)2
The number of moles of each atom present in 5 moles of Cu₃(PO₄)₂ are:
15 moles of Cu10 moles of P40 moles of ODescription of Cu₃(PO₄)₂1 mole of Cu₃(PO₄)₂ contains 3 moles of Cu2 moles of P(2×4) = 8 moles of OHow to determine the mole of each atomThe moles of atom present in 5 moles of Cu₃(PO₄)₂ can be obtained as follow
For Cu1 mole of Cu₃(PO₄)₂ contains 3 moles of Cu.
Therefore,
5 moles of Cu₃(PO₄)₂ will contain = 5 × 3 = 15 moles of Cu
For P1 mole of Cu₃(PO₄)₂ contains 2 moles of P.
Therefore,
5 moles of Cu₃(PO₄)₂ will contain = 5 × 2 = 10 moles of P
For O1 mole of Cu₃(PO₄)₂ contains 8 moles of O.
Therefore,
5 moles of Cu₃(PO₄)₂ will contain = 5 × 8 = 40 moles of O
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The number of moles of copper, phosphorous and oxygen present in the 5 moles of Cu₃(PO₄)₂ are 15, 20 and 40 respectively.
What is stoichiometry?Stoichiometry of any chemical equation gives idea about the amount of species present before and after the reaction.
Dissociation reaction of Cu₃(PO₄)₂ is shown as below:
Cu₃(PO₄)₂ → 3Cu²⁺ + 2PO₄³⁻
From the stoichiometry of the equation, it is clear that:
1 mole of Cu₃(PO₄)₂ produces 3 moles of copper atom, 2 moles of phosphorous atoms an 8 moles of oxygen atom.
5 moles of Cu₃(PO₄)₂ = produces 3×5=15 moles of Cu
5 moles of Cu₃(PO₄)₂ = produces 2×5=10 moles of P
5 moles of Cu₃(PO₄)₂ = produces 8×5=40 moles of O
Hence required moles of copper, phosphorous and oxygen are 15, 20 and 40 respectively.
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A 0.205 g sample of caco3 (mr = 100.1 g/mol) is added to a flask along with 7.50 ml of 2.00 m hcl. caco3(aq) + 2hcl(aq) → cacl2(aq) + h2o(l) + co2(g) enough water is then added to make a 125.0 ml solution. a 10.00 ml aliquot of this solution is taken and titrated with 0.058 m naoh. naoh(aq) + hcl(aq) → h2o(l) + nacl(aq) how many ml of naoh are used?
Answer:
118MOLS
Explanation:
M1VI=M2V2
THE REST WORK OUT ( BA UNZA STUDENTS HE HE HE )
Voluntary muscles
a.are muscles that work automatically.
b.are only in your arms and legs.
c.are muscles that you can control.
d.are muscles that push.
Answer: C.
Explanation:
Voluntary muscle are muscles that you can control.
What temperature scale is used in gas law calculations.
Answer: You used the Kelvin scale.
Explanation: this is because its multiplied by the temperature im not sure.
Use Lewis symbols to predict the formula for the
compound that forms between magnesium and
nitrogen
The lewis structure of Magnesium nitride places eight electrons around N. 3 of these electrons are provided by Mg to get a stable conformation.
What is the Lewis structure?The Lewis structure is a representation of electron pairs in bonds between the atoms that compose the molecule. It can also show the solitary electron pairs that remain for each atom.
Electrons
When adding the valence electrons of each atom, we get the total number of electrons in the molecule.
The valence value is the number of electrons placed in the last energetic level of the atom.
The compound that forms between magnesium and nitrogen is magnesium nitride, Mg₃N₂. This is a simple salt with an ionic bond between a metal and a non-metal element.
What are the Metalic atoms?They are elements that express a tendency to lose valence electrons to get a stable electronic configuration. When they lose electrons, they remain positively charged. These are cations with positive charges and lose the valence electrons of their last level.
Mg has 2 electrons in its last level, so to get a complete stable configuration (2e-), it needs to lose 2 electrons.
Mg has two positive charges Mg ²⁺
What are the non-metalic atoms?They are elements that gain electrons to complete their last level. These are the anions. When they get electrons, they remain negatively charged.
Because Nitrogen has 5 electrons in its last level, it needs to add 3 electrons. In this way, it gets to the complete stable configuration (8e-).
N has three negative charges N³⁻
So, to complete the Lewis structure, we need to add Mg ²⁺ and N³⁻.
We know that
Mg loses two electrons,N needs to add three electrons.According to this, N needs more than one Mg to complete its last level.
So, in our calculations, we need to have three Mg and two N.
Two N need six electrons (-3e- x 2 = -6e-) to complete their last levelThree Mg can provide six electrons (+2e- x 3 = +6e-)You will find the final Lewis structure in the attached files.
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Based on the results of testing colorless solutions with indicators, which solution is most acidic?
A solution in which methyl orange is red indicates the most acidic substance.
What is an Indicator?This is defined as a substance that gives a visible sign, usually by a colour change when a chemical species is added.
On litmus paper, the redder the color is, the more acidic it is which was why methyl orange changing to darker red signifies most acidity.
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A student used 1.2 g of hydrate in the first trial and 1.6 g in the second trial. Explain fully why her mass percent of water will be the same for both trials even though she used more hydrate in the second trial. (Do not simply state that the mass percent is an intensive property ).
Both trials of 1.2 g and 1.6 g will have the same mass percent of water because the ratio of the salt to the water of hydration is always constant for any hydrated salt.
Water of hydrationFor every hydrated salt, the ratio of the salt to the water of hydration remains constant irrespective of the amount of salt taken for experimental analysis.
For example, assuming the mass percent of water in 10g of a hydrated salt is 40%, if 100g of the same salt is taken, the mass percent will remain 40%.
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A sample of nitrogen occupies 10.0 liters at 25oC , what would be the new volume at 20oC?
Apply Charles law
[tex]\\ \bf\bull\rightarrowtail V1T2=V_2T1[/tex]
[tex]\\ \bf\bull\rightarrowtail 10(20)=25V_2[/tex]
[tex]\\ \bf\bull\rightarrowtail 200=25V_2[/tex]
[tex]\\ \bf\bull\rightarrowtail V_2=8L[/tex]
Answer:
hope it's helpful to you
What type of substance is water?
Question 17 options:
molecule
mixture
element
compound
How does matter change its phase?
Explanation:
the answer can be in liquid, solid and gas
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Which one of the following is a thermosetting plastic?
A. PET
B. Acrylic
C. Melamine
D. Polylactide
Answer:
Answer: C
Melamine resin or melamine formaldehyde (also shortened to melamine) is a resin with melamine rings terminated with multiple hydroxyl groups derived from formaldehyde. This thermosetting plastic material is made from melamine and formaldehyde.
Melamine formaldehyde is a thermosetting plastic (or thermoset) that strengthens as it is heated during its preparation.
Which can be directly linked to a reduction in the surface area available for gas exchange in human lungs
Emphysema is directly linked to a reduction in the surface area available for gas exchange in the human lungs.
What is Emphysema?Emphysema is a lung disease that causes shortness of breath.
The air sacs are damaged in this disease.
The inner walls of the air sacs weaken and rupture, resulting in a larger number of smaller air spaces.
Smoking is the primary cause of Emphysema
Thus, Emphysema is directly linked to a reduction in the surface area available for gas exchange in the human lungs.
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